Wednesday, April1, 2020
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Marine Weather and Tides
Salmon Creek, CA

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 6:53AMSunset 7:35PM Wednesday April 1, 2020 12:16 AM PDT (07:16 UTC) Moonrise 11:25AMMoonset 1:43AM Illumination 58% Phase: First Quarter Moon; Moon at 8 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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PZZ540 Coastal Waters From Point Arena To Point Reyes California Out To 10 Nm- 834 Pm Pdt Tue Mar 31 2020
.small craft advisory in effect through Wednesday morning...
.gale warning in effect from Wednesday morning through late Wednesday night...
Tonight..NW winds 15 to 25 kt with gusts up to 30 kt. Wind waves 5 to 6 ft. NW swell 7 to 9 ft at 12 seconds.
Wed..NW winds 20 to 30 kt with gusts up to 40 kt. Wind waves 7 to 8 ft. NW swell 6 to 8 ft at 12 seconds and S around 2 ft at 19 seconds.
Wed night..NW winds 20 to 30 kt with gusts up to 40 kt. Wind waves 7 to 8 ft. NW swell 5 to 7 ft at 12 seconds.
Thu..NW winds 15 to 25 kt with gusts up to 30 kt. Wind waves 4 to 5 ft. NW swell 4 to 6 ft at 11 seconds and S around 2 ft at 18 seconds.
Thu night..NW winds 20 to 25 kt with gusts up to 30 kt. Wind waves 6 to 7 ft. NW swell 3 to 5 ft at 10 seconds and S around 2 ft at 17 seconds.
Fri..NW winds 20 to 30 kt with gusts up to 35 kt. Wind waves around 2 ft. Mixed swell nw around 3 ft at 12 seconds and S around 2 ft at 16 seconds.
Fri night..NW winds 10 to 15 kt. Wind waves 1 to 2 ft. Mixed swell nw 3 to 4 ft at 10 seconds and S around 2 ft at 15 seconds. A chance of rain.
Sat..W winds up to 10 kt. Wind waves 1 ft. NW swell 3 to 5 ft and S around 2 ft. A chance of rain.
Sun..S winds 5 to 10 kt. Wind waves 1 ft. Mixed swell nw around 3 ft and S around 2 ft. A chance of rain.
PZZ500 834 Pm Pdt Tue Mar 31 2020
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Northwesterly winds strengthen Wednesday as a low pressure system over the pacific northwest moves inland, providing gale force winds. A prevailing mixed swell with a building short period and steep northwest swell and a light southwesterly swell will continue through the week.


7 Day Forecast for Marine Location Near Salmon Creek, CA
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location: 38.33, -123.05     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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FXUS66 KMTR 010543 AFDMTR

Area Forecast Discussion National Weather Service San Francisco Bay Area 1043 PM PDT Tue Mar 31 2020

SYNOPSIS. Dry weather conditions with seasonable temperatures are forecast for the remainder of the week. Rain chances and cooler temperatures return by the upcoming weekend and will potentially continue into early next week.

DISCUSSION. as of 9:10 PM PDT Tuesday . An upper low near Vancouver Island ushered in a moderate northwest flow over northern California. Upper level high off the central and southern California coasts brought lighter winds and warm temperatures to the southern half of the state. Inland highs today warmed into the low to mid 70s from the Santa Clara Valley south. Low clouds kept things cooler around the Bay Area except for some adiabatic warming in the North Bay valleys.

The upper low will shift south tonight and Tuesday. This will strengthen the northwest flow which will help to clear out the low clouds later tonight. Cooler temperatures are expected Wednesday followed by warmer weather Thursday and Friday as the low moves inland.

Models continue to indicate a fast moving storm system on Saturday followed by a stronger system on Sunday. Models coming into better agreement on timing of the first system with rain spreading into the North Bay Saturday morning and into the Monterey Bay Area Saturday afternoon. There could be a short break Saturday night before the second system arrives on Sunday with unsettled weather into Monday. In terms of total QPF amounts The GFS is a little wetter than the ECMWF. Forecast amounts Saturday through Monday are 1/2 to 1 inch across the area with 1-2 inches in the mountains and parts of the North Bay . and less amounts in southern Monterey and San Benito counties. Beyond that longer range models show dry weather returning.

AVIATION. as of 10:42 PM PDT Tuesday . for 06z TAFs. A patch of stratus moving over the ocean is providing lower cigs, but at this time it is moving south of the Bay Area and towards the Monterey Bay. A few midlevel clouds will linger overnight, but generally MVFR/VFR conditions is forecast. Onshore winds continue to be breezy and guidance is now suggesting little abatement overnight. In fact, stronger winds and gusts that are forecast for Wednesday afternoon look to be coming in sooner than originally forecast. Cigs will lift by the late morning for VFR through Wednesday.

Vicinity of KSFO . Onshore winds remain breezy around 12-15 knots with an occasional stronger gust. Now that the stratus has pushed south, cigs should remain above 1,000 feet into the morning. Winds will pick up and is now forecast a little sooner than originally anticipated providing stronger gusts at 20-25 kts Wednesday morning. Cigs will continue to lift through the morning for VFR all Wednesday.

SFO Bridge Approach . Similar to KSFO.

Monterey Bay Terminals . A patch of stratus is moving over the peninsula and will continue to move south over the next couple hours, lowering cigs and thickening cloud cover. Winds are onshore and locally breezy and should continue through the evening. Wednesday is forecast to be VFR with stronger onshore winds, not easing until the evening.

MARINE. as of 8:34 PM PDT Tuesday . Northwesterly winds strengthen Wednesday as a low pressure system over the Pacific Northwest moves inland, providing gale force winds. A prevailing mixed swell with a building short period and steep northwest swell and a light southwesterly swell will continue through the week.

MTR WATCHES/WARNINGS/ADVISORIES. Tngt. SCA . Mry Bay SCA . Pigeon Pt to Pt Pinos 0-10 nm SCA . Pt Arena to Pt Reyes 0-10 nm SCA . Pt Pinos to Pt Piedras Blancas 0-10 nm SCA . Pt Arena to Pigeon Pt 10-60 nm SCA . Pt Reyes to Pigeon Pt 0-10 nm SCA . Pigeon Pt to Pt Piedras Blancas 10-60 nm



PUBLIC FORECAST: W Pi AVIATION: DK MARINE: DK

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46013 - Bodega Bay - 48NM North Northwest of San Francisco, CA 14 mi26 min NNW 23 G 31 54°F8 ft1019.1 hPa
46214 - Point Reyes, CA (029) 35 mi46 min 55°F10 ft
46026 - SAN FRANCISCO - 18NM West of San Francisco, CA 41 mi26 min NW 18 G 21 54°F 56°F7 ft1019 hPa
46237 - San Francisco Bar, CA (142) 44 mi46 min 56°F5 ft
RCMC1 - 9414863 - Richmond, CA 44 mi46 min NW 8 G 11 55°F 58°F1017.6 hPa
TIBC1 - Tiburon Pier, San Francisco Bay, CA 44 mi36 min W 1.9 52°F 1018 hPa
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 46 mi46 min WSW 8 G 12 56°F 1017.3 hPa
PPXC1 - 9414847 - Richmond (Point Potrero), CA 47 mi46 min NW 8 G 11 56°F 1018.2 hPa
FTPC1 - 9414290 - San Francisco, CA 48 mi46 min 59°F

Wind History for Point Reyes, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Santa Rosa, Santa Rosa Sonoma County Airport, CA18 mi23 minNW 1010.00 miFair50°F41°F71%1017.2 hPa
Petaluma Municipal Airport, CA24 mi41 minWNW 42.50 miFog/Mist48°F48°F100%1018.3 hPa

Link to 5 minute data for KSTS

Wind History from STS (wind in knots)
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Last 24hrSW4CalmCalmCalmSE3CalmCalmCalmCalmCalmCalmNW4CalmW7NW6NW7NW7NW7W9W8NW7NW8NW5NW10
1 day agoCalmW3CalmCalmCalmCalmCalmCalmCalmCalmS3SE5SW3S5SW8S7SW4W8W5SW3W3NW4CalmW3
2 days agoSE3CalmCalmCalmCalmCalmCalmCalmCalmSE3SE6S3S65SW746SW7SW8SW5CalmCalmCalmCalm

Tide / Current Tables for Bodega Harbor entrance, California
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Bodega Harbor entrance
Click for Map
Wed -- 02:43 AM PDT     Moonset
Wed -- 03:21 AM PDT     First Quarter
Wed -- 04:47 AM PDT     4.88 feet High Tide
Wed -- 06:56 AM PDT     Sunrise
Wed -- 12:24 PM PDT     Moonrise
Wed -- 12:24 PM PDT     0.29 feet Low Tide
Wed -- 07:36 PM PDT     Sunset
Wed -- 08:01 PM PDT     3.95 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.53.74.14.54.84.94.64.13.22.21.30.60.30.40.71.322.73.43.843.93.73.5

Tide / Current Tables for Point Reyes, California Current
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Point Reyes
Click for Map
Wed -- 12:51 AM PDT     0.00 knots Slack
Wed -- 02:42 AM PDT     Moonset
Wed -- 03:21 AM PDT     First Quarter
Wed -- 03:39 AM PDT     0.39 knots Max Flood
Wed -- 06:11 AM PDT     -0.00 knots Slack
Wed -- 06:56 AM PDT     Sunrise
Wed -- 09:51 AM PDT     -1.04 knots Max Ebb
Wed -- 12:25 PM PDT     Moonrise
Wed -- 02:03 PM PDT     0.00 knots Slack
Wed -- 05:12 PM PDT     0.78 knots Max Flood
Wed -- 07:35 PM PDT     Sunset
Wed -- 08:42 PM PDT     -0.00 knots Slack
Wed -- 10:43 PM PDT     -0.45 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.100.20.40.40.30-0.2-0.6-0.9-1-0.9-0.6-0.4-00.40.70.80.70.60.3-0.1-0.4-0.4

Weather Map
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wmap_P
GEOS Local Image of CentralWestCoast    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for San Francisco/Monterey Bay Area, CA (3,6,7,8)
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Ground Weather Radar Station Sacramento, CA
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The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerous of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.